Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
41:04:45
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Problems

#	Name
155B	Combination greedy, sortings	1100	x10003
785B	Anton and Classes greedy, sortings	1100	x10125
558A	Lala Land and Apple Trees brute force, implementation, sortings	1100	x10160
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10908
721B	Passwords implementation, math, sortings, strings	1100	x11965
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12714
362B	Petya and Staircases implementation, sortings	1100	x13489
160B	Unlucky Ticket greedy, sortings	1100	x13553
1189B	Number Circle greedy, math, sortings	1100	x13646
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x13748
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13891
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14306
1417B	Two Arrays greedy, math, sortings	1100	x14321
1839B	Lamps greedy, sortings	1100	x14447
1863B	Split Sort greedy, math, sortings	1100	x14531
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14722
242B	Big Segment implementation, sortings	1100	x15178
1891B	Deja Vu brute force, math, sortings	1100	x15618
1625B	Elementary Particles brute force, greedy, sortings	1100	x15848
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16158
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16450
166A	Rank List binary search, implementation, sortings	1100	x16723
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17106
1015C	Songs Compression sortings	1100	x17279
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17388
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17603
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17780
1579B	Shifting Sort implementation, sortings	1100	x17788
988B	Substrings Sort sortings, strings	1100	x17815
1920B	Summation Game games, greedy, math, sortings	1100	x19127
1712C	Sort Zero greedy, sortings	1100	x19188
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19513
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19565
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19847
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20321
1638B	Odd Swap Sort data structures, math, sortings	1100	x20373
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20388
1722D	Line greedy, sortings	1100	x22158
1873E	Building an Aquarium binary search, sortings	1100	x22685
1557B	Moamen and k-subarrays greedy, sortings	1100	x22779
1676E	Eating Queries binary search, greedy, sortings	1100	x24527
1334B	Middle Class greedy, sortings	1100	x25139
1791E	Negatives and Positives dp, greedy, sortings	1100	x25424
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31637
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33188
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37620
456A	Laptops sortings	1100	x45235
981B	Businessmen Problems sortings	1000	x6749
967B	Watering System math, sortings	1000	x6820
234B	Reading sortings	1000	x6968
299A	Ksusha and Array brute force, number theory, sortings	1000	x7718
909A	Generate Login brute force, greedy, sortings	1000	x9131
652B	z-sort sortings	1000	x9819
1008B	Turn the Rectangles greedy, sortings	1000	x11239
864A	Fair Game implementation, sortings	1000	x11526
1725B	Basketball Together binary search, greedy, sortings	1000	x11587
1088B	Ehab and subtraction implementation, sortings	1000	x12342
157B	Trace geometry, sortings	1000	x12832
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13202
1155A	Reverse a Substring implementation, sortings, strings	1000	x13423
1117B	Emotes greedy, math, sortings	1000	x13673
1876A	Helmets in Night Light greedy, sortings	1000	x14655
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x14794
560A	Currency System in Geraldion implementation, sortings	1000	x16811
507A	Amr and Music greedy, implementation, sortings	1000	x16966
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17175
1605B	Reverse Sort greedy, sortings	1000	x17616
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17809
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18093
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18370
1165B	Polycarp Training data structures, greedy, sortings	1000	x20290
1622B	Berland Music data structures, greedy, math, sortings	1000	x20515
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20707
1613B	Absent Remainder greedy, implementation, sortings	1000	x21152
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22184
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x22411
1849B	Monsters greedy, math, sortings	1000	x22520
37A	Towers sortings	1000	x23523
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23547
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24122
1607C	Minimum Extraction brute force, sortings	1000	x24276
1312B	Bogosort constructive algorithms, sortings	1000	x24517
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x24578
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31014
230A	Dragons greedy, sortings	1000	x74075
412B	Network Configuration greedy, sortings	900	x5259
653A	Bear and Three Balls brute force, implementation, sortings	900	x7991
263B	Squares greedy, implementation, sortings	900	x8701
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9033
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	900	x10239
63A	Sinking Ship implementation, sortings, strings	900	x10838
1011A	Stages greedy, implementation, sortings	900	x11918
991B	Getting an A greedy, sortings	900	x12296
1132B	Discounts greedy, sortings	900	x12686
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13240
1106C	Lunar New Year and Number Division greedy, implementation, math, sortings	900	x14265
1025A	Doggo Recoloring implementation, sortings	900	x14520
1823B	Sort with Step brute force, math, sortings	900	x15281
1584C	Two Arrays greedy, math, sortings	900	x15840
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16094